#!/bin/bash

#
# aborting if any command returns a non-zero value
set -e

BUILD_TIME=`date -u +'%Y-%m-%dT%H:%M:%SZ'`

#
# set git build variables if git exists
if git status > /dev/null 2>&1 && [ -z $GIT_COMMIT ] && [ -z $GIT_BRANCH ] && [ -z $GIT_TAG ];
then
    GIT_COMMIT=`git rev-parse --short HEAD`
    GIT_BRANCH=`git rev-parse --symbolic-full-name --abbrev-ref HEAD`
    GIT_TAG=`git tag --points-at $GIT_COMMIT | head -n 1`
    GIT_DIRTY=`git diff-index --quiet HEAD -- || echo "✗-"`
    GIT_COMMIT="${GIT_DIRTY}${GIT_COMMIT}"
fi

#
# load dependencies
go get -v -t -d .

#
# build server
go build \
    -o bin/neko \
    -ldflags "
        -s -w
        -X 'm1k1o/neko.buildDate=${BUILD_TIME}'
        -X 'm1k1o/neko.gitCommit=${GIT_COMMIT}'
        -X 'm1k1o/neko.gitBranch=${GIT_BRANCH}'
        -X 'm1k1o/neko.gitTag=${GIT_TAG}'
    " \
    cmd/neko/main.go;
